Server 2008 R2 Hyper-V

My Setup

HP DL380 with 196GB RAM, 10 SAS Drives running Raid 10, 4 NIC's Windows Server 2008 R2 Enterprise SP1 installed

16 x Hyper-V Servers setup on this server.

1st Server is a Server 2008 Standard SP1 server with MSSQL
6th Server is a Server 2008 Standard SP1 running only Remote Desktop Services.

REmote Desktop Server runs a exe file that is on the host's c drive and are mapped to the share on the host. This exe file connect to the SQL server to run the application.

Every now and again we get that the exe file gives us an application crash on the Remote Desktop server logfiles due to lost to the exe file.

This happens a few times per day. We have 30 users using this specific Remote Desktop Server.

We have 8 Remote desktop servers and it is used for various applications for diferent users.

So my problem is that my remote desktop server looses connection to the exe file that is on the c drive of the physical host machine.
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Craig BeckCommented:
So why do you have to run it from the host?  Can't you copy it to the guest OS?

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MykaONEAuthor Commented:
The program is a custom written program by another company. Every time you login to the terminal server, it first copies about 200mb of files from the sql server to the terminal server.

Then it links to the exe on the host. then  the exe links to the sql server.

I have no idea why it has to run like that and the programming company can't give me an answer other than they have many other clients and none have the same problem.
Craig BeckCommented:
Hmmm I'd ask them for a detailed technical explanation as to why it won't run from the guest OS.

If it runs on multiple host machines and links back to the same SQL server there's not really any reason why it couldn't link to the SQL server from the guest machine.
MykaONEAuthor Commented:
This is one of the errors, I'm busy working through the event file as there is so many errors accuring on this server.

Maybe this will make sence to somebody

Windows cannot access the file  for one of the following reasons: there is a problem with the network connection, the disk that the file is stored on, or the storage drivers installed on this computer; or the disk is missing. Windows closed the program coltech.exe because of this error.

Program: coltech.exe

The error value is listed in the Additional Data section.
User Action
1. Open the file again. This situation might be a temporary problem that corrects itself when the program runs again.
2. If the file still cannot be accessed and
      - It is on the network, your network administrator should verify that there is not a problem with the network and that the server can be contacted.
      - It is on a removable disk, for example, a floppy disk or CD-ROM, verify that the disk is fully inserted into the computer.
3. Check and repair the file system by running CHKDSK. To run CHKDSK, click Start, click Run, type CMD, and then click OK. At the command prompt, type CHKDSK /F, and then press ENTER.
4. If the problem persists, restore the file from a backup copy.
5. Determine whether other files on the same disk can be opened. If not, the disk might be damaged. If it is a hard disk, contact your administrator or computer hardware vendor for further assistance.

Additional Data
Error value: C00000C4
Disk type: 0
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